A spokesman for the Hudson County Prosecutor's Office said that city police would handle the investigation. Police officials did not immediately return a request for more information on Wednesday afternoon.

According to state Treasury records, Diaz had more than 19 years of service in the public sector.

On Wednesday morning at 7:19, her Facebook profile picture was changed to to an image featuring a Spanish quote by Argentinian author Jorge Luis Borges: "Death is a life lived. Life is an approaching death."